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Re: st: FW: Ranking a string variable
From
"Dimitriy V. Masterov" <[email protected]>
To
[email protected]
Subject
Re: st: FW: Ranking a string variable
Date
Mon, 23 Jan 2012 13:20:50 -0500
Does "bysort department time: gen rank=_n" do the trick?
DVM
On Mon, Jan 23, 2012 at 1:11 PM, Peci, Adriana (OAHPP)
<[email protected]> wrote:
>
> Hello stata listers,
>
> I need some help to rank a string variable by two other variables. My
> data are in a long form in which one observation is listed more than
> once.
> The variable of interest is Item purchased which I would like to rank
> based on the Department that this item belongs to and
> The time whern this item was purchased.
> So if departments categories are A, B, C, D etc (string variable) which
> are listed more than once in the database and the items are unique
> values as x, y, z,.(string variable) etc.
> I want to count items of each department by purchased time as 1, 2, 3,
> 4, 5. So in case of two items were purchased at the same time I want
> them to be randomly ranked as 1, 2 and not 1,1.
>
> I am trying to use the egen command: bysort department time: egen rank
> =rank(item) but it doesn't work for a string variables.
>
> Can anyone help me with that ?
>
>
> Thank you so much,
>
>
> Adriana Peci
>
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